| 摘要 |
The specification discloses bag making apparatus for making a tube from plastics material web material and for making bags therefrom, the apparatus including a support frame defining a desired internal area of the tube formed thereon, first plastics material film web dispensing means for dispensing first film webs in a longitudinal direction relative to the support frame such that the film webs overlap and adhere to one another, a second plastics material film web dispensing means for laying at least one further film web in overlapping spirals over the longitudinally extending first film web, and a third plastics material film web dispensing means for dispensing third film webs in a longitudinal direction relative to the support frame over the overlapping spiral web material, the apparatus further including movement conveyor means extending longitudinally of the support frame to enable the tube formed thereon to be moved to a discharge region and transverse tube sealing means and associated transverse tube separation means. |
